Error while using webots matlab controller
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hello!
im trying to conduct a robot controlller using webots simulater , but i get this error while using matlab
what should i do?
9 个评论
Olivier Michel
2020-4-27
Please try to use the latest version of Webots R2020a revision 2 (nighlty build) which you can download from https://github.com/cyberbotics/webots/releases and let me know if the problem persists. This new version improves the support for MATLAB in Webots.
Mohammad Adeeb
2020-4-27
Mohammad Adeeb
2020-4-27
Olivier Michel
2020-4-29
Which version of MATLAB are you using?
Walter Roberson
2020-4-29
I do not think R2017a had that install add-ons feature.
You could try installing whatever file it is trying to install, and then commenting out that line.
Mohammad Adeeb
2020-4-29
编辑：Mohammad Adeeb
2020-4-29
Walter Roberson
2020-4-29
It appears that you have a startup.m file on your MATLAB path that is trying to find the installed add-ons, using a function that did not exist in R2017a. Perhaps you had a newer version installed and somehow the startup.m for it got used. Or perhaps you have a third-party toolbox that has its own startup.m .
Test with using
restoredefaultpath; rehashtoolboxcache; savepath
Then exit and re-enter MATLAB and see if the problem still shows up. If it does then it will be necessary to track down which startup it is doing.
Mohammad Adeeb
2020-4-29
编辑：Mohammad Adeeb
2020-4-29
Michael Currie
2020-5-19
Hi Mohammad Adeeb,
It seems that Cyberbotics have made new directories in the R2020a version which have not been updated in their header file and matlab launcher file. I fixed this issue on my machine (Windows) by doing the following:
In the launcher.m file (..\Webots\lib\controller\matlab):
- Change each line containing 'lib/matlab' to 'lib/controller/matlab'
- It's lines 15, 23 and 132
In allincludes.h (..\Webots\lib\controller\matlab):
- Change each include path so that it goes back a further directory
- eg: #include "../../../include/controller/c/webots/accelerometer.h"
Should work after that. I'm still receiving errors regarding a remote control library, but I haven't looked into that yet.
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